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CVE-2018-8339: microsoft windows_10 Improper Input Validation

CVSS: 7.0v3.0HighModified
Published 15-08-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8339 is a high (CVSS 7.0) Improper Input Validation vulnerability in microsoft windows_10. EPSS estimates a 1.07% chance of exploitation in the next 30 days, higher than 64.4% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v3.0 (NVD)
EPSS score
1.07%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-08-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An elevation of privilege vulnerability exists in the Windows Installer when the Windows Installer fails to properly sanitize input leading to an insecure library loading behavior, aka "Windows Installer Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.07%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.07% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.07%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft10 products
  • windows_1032-bit Systems | Version 1607 for 32-bit Systems | Version 1607 for x64-based Systems | Version 1703 for 32-bit Systems | Version 1703 for x64-based Systems | Version 1709 for 32-bit Systems | Version 1709 for x64-based Systems | Version 1803 for 32-bit Systems | Version 1803 for x64-based Systems | x64-based Systems | na | 1607 | 1703 | 1709 | 1803
  • windows 10 serversversion 1709 (Server Core Installation) | version 1803 (Server Core Installation)
  • windows_732-bit Systems Service Pack 1 | x64-based Systems Service Pack 1 | na
  • windows_8.132-bit systems | x64-based systems | na
  • windows_rt_8.1Windows RT 8.1 | na

1 vendor · 10 products

References

3 links